Unreal Engine Issues
Unreal Engine Issues
Null access to Unpossessed controller with seamless travel
UE - Gameplay - Mar 9, 2019The unpossessd controller will not be removed from UWorld::ControllerList unless destroyed. This causes null access to the ControllerList when GC occurs during seamless travel execution. The unposse ...
Can't update position with SetPositionInViewport when enable global invalidation
UE - Editor - UI Systems - Jul 22, 2020When GlobalInvalidation is enabled, do not update to the position set by SetPositionInViewport. It works fine when GlobalInvalidation is disabled. ...
First Person Primitive
UE - Graphics Features - Feb 20, 2025First Person Scale and First Person Field of View on camera components do not apply to the depth prepass when rendering First Person View meshes, leading to a mismatch between the depth pre-pass and ...
Datasmith Export Bug with Camera Target
UE - Editor - Content Pipeline - Datasmith - Exporters - Mar 7, 2025Potential bug was encountered when exporting vray cameras and their targets that have been path-constraint to corresponding splines. The resulting export file shows no camera targets; hence, missing ...
Planar Reflection seems to render inverted
UE - Platform - Mobile - Jul 6, 2016Planar Reflections seem to be inverted on mobile devices. The angles seem to be off too. ...
[Quartz][Device Swap] - Quartz Clock Stops when swapping Audio Output Device
UE - Audio - Quartz - May 2, 2022When swapping the audio output device while running PIE or a packaged game on Windows, Quartz clocks stop. Does not repro in Release-4.27, but can be reproed in Release-5.0. ...
PlaySoundAtLocation node not working in packaged IOS games
UE - Platform - Mobile - Jan 12, 2015Sound queues set to play with "Play Sound at Location" node don't play on a game packaged for IOS. **NOTE** User workaround mentioned that sound will come out from connected bluetooth. ...
Sound Class Radio Filter Volume Functionality
UE - Audio - Jan 12, 2015When creating a Sound Class and editing/applying the 'Radio Filter Volume' option, the sounds associated with the sound class seem to have their attenuation settings overridden or mixed in with an i ...
Using shortcut to find actor reference in level blueprint opens additional eventgraph windows in level blueprint editor
UE - Gameplay - Blueprint - Feb 24, 2016Using shortcut to find actor reference in level blueprint opens additional Eventgraph windows in level blueprint editor despite the event graph containing the reference being open already. ...
Crash when using CastChecked<>(nullptr, ECastCheckedType::NullAllowed) in configurations where checks are disabled
UE - CoreTech - Jun 19, 2025When using CastChecked<>(), the second parameter can be passed as ECastCheckedType::NullAllowed to make the check succeed when the input is nullptr. However, in UE 5.5 up to the latest engine versio ...